1. Pulmonary Service, Department of Medicine, Memorial Sloan Kettering Cancer Center , New York, NY , USA
2. Department of Electrical and Computer Engineering, Drexel University , Philadelphia, PA , USA
3. Department of Medicine, Memorial Sloan Kettering Cancer Center , New York, NY , USA
4. Department of Medicine, Miami Veterans Affairs Healthcare System , Miami, FL , USA
5. Department of Medicine, University of Miami , Miami, FL , USA